https://se.mathworks.com/help/lte/ref/lte3dchannel.getpathfilters.html
getPathFilters - Get path filter impulse response for 3-D MIMO fading channel - MATLAB
This MATLAB function returns path filter impulse responses for the 3-D multi-input/multi-output (MIMO) fading channel object specified by lte3d.
https://fr.mathworks.com/help/5g/ref/nrcdlchannel.getpathfilters.html
getPathFilters - Get path filter impulse response for link-level MIMO channel - MATLAB
This MATLAB function returns path filter impulse responses for the specified link-level multi-input multi-output (MIMO) channel, channel.
impulse response